body{
    padding:20px;
    margin: 0;
    padding: 0;
    background-color: rgba(220, 235, 249, 0.737);
}
.a{
    padding-left: 10px;
}
.b{
    margin-top: 20px;
}
.tip{
    color: #0a0909; 
    opacity: 0.4;
}
.top-left-box{
    margin-left: 10px;
    width:42px;
    height:30px;
    padding-left: 3px;
    padding-right: 2px;
    border:1px #f00606  solid;
    color: #f00606;
    margin-top: 8px;
    margin-bottom: 20px;
}
 
 
.top{
    width: 420px;
    height:460px;
    padding:20px;
    margin:10% 30% 10%;
    background:rgb(249, 249, 249);
 
    box-shadow: 0 0 15px rgb(0, 0, 0);
 
}
ul,li{
    list-style:none;
    margin: 0;
    padding: 0;
}
li{
    font-size: 20px;
}
.one{
    margin-top:10px;
}
 
 .top1{
    display:flex;
}
.top1-right{
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid #f00606;
    margin-top: 20px;
    cursor:pointer;
}
.top1 .top1-right:hover{
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid #9b8282;
    margin-top: 20px;
}
.top1-left{
    width: 140px;
    display:inline;
    font-size: 40px;
    font-weight:bolder;
}
.top2{
    margin-top: 20px;
    display: flex;
    width: 420px;
    height:180px;
    background-color:LavenderBlush;
    border-radius: 10px;
    opacity: 0.7;
}
.top .top2 .top2-right{
    width: 160px;
    height: 150px;
    margin-top:15px;
    margin-left:55px;
    max-width: 100%;
    background: url(1.jpg);

}
 
.top3{
    display: flex;
    margin-top: 20px;
    width: 420px;
    height:180px;
    background-color:LightGrey;
    border-radius: 10px;
    opacity: 0.7;
}
.top .top3 .top3-right{
    width: 160px;
    height: 150px;
    margin-top:15px;
    margin-left:55px;
    max-width: 100%;
    background: url(2.jpg);
}